docstr: This function should be implemented in a way that detection model
  should be initialized and set to self.model.
  (self.model_path, self.config_path, and self.device should be utilized)
docstr_tok: ["This","function","should","be","implemented","in","a","way","that","detection","model","should","be","initialized","and","set","to","self.model",".","(","self.model_path",",","self.config_path",",","and","self.device","should","be","utilized",")"]
code: def load_model(self):
      """
      This function should be implemented in a way that detection model
      should be initialized and set to self.model.
      (self.model_path, self.config_path, and self.device should be utilized)
      """
      raise NotImplementedError()
  
file_path: sahi/sahi/models/base.py
imports: from typing import Any, Dict, List, Optional, Tuple, Union
  import numpy
  from sahi.utils.import_utils import is_available
  from sahi.utils.torch import select_device
label_desc: Use image node_id 3 for calling the DetectionModel obj's underlying member method code with example usage: obj.load_model() without return types